Window lifter



Patented Nov. M, 1922,

J. H. ZOLDOWSKI.

WINDOW LIFTER.

APPLICATION FILED 0cT.2o. I921.

' IN ENTER.

Patented Nov. 14!, W22. K 135 572 JOHN H. ZOLJDOWSKI, OF TOLEDD, GHIQ, ASSIGNQR OF ONE-TENTH TU FRANK CHAPP, TOLEDQ, OHIO.

WINDOW? LIFTER.

Application filed october 20, 1921. Serial No. 508,926.

T all whom it may concern: be secured to the frame 1. The arm 6 is Be it known that 1, JOHN H. ZoLnowsKr, provided with a plurality of notches 9 in a citizen of the United States, and a resident which the turned end or" the spring 7 may of Toledo, in the county of Lucas and State be inserted to adjust the pressure of the of Ohio, have made an Invention Apperroller 4 of the arm 6 against the frame. A 55 taining to VJindow Lifters; and I do hereby part of the weight of the window 2 is thus declare the following to be a full, clear, and counter-balanced by the action of the spring v exact description of the invention, such as '3". The arm 5 is pivotally supported in the will enable others skilled in the art to which plate 10 which is secured to a part of the 10 it appertains to make and use the same, ref frame or to the 'door. The lower end of 66' erence being had to the accompanying drawthe arm is provided with teeth that mesh ings, and to the characters of reference with the pinion or sector 11 which is also marked thereon, which form a part of this pivoted in the plate 10 by means of the specification. pivot pin 12. The pin 12 is connected to the My invention has for its object to pro arm 13 which may be provided with the ca vide an efficient and simple means for lifthandle 14 for the purpose of rotating the ing frames, such as windows. It particupin 12 and consequently rotating the pinion larly has for its object to provide a simple or rack 11 to raise and lower the arm 5. The means for lifting the windows of an autoface of the plate 10 is provided with a plu- 29 mobile, either in the door or in other parts rality of circular indentations 15 located to of a coup orlimousine or other closed autoaround the opening 16 through which the mobile body. pivot pin 12 extends. The hub of the arm The invention may be contained in struc 13 is provided with a socket 17 in which is tures that partake of different forms in their located a ball 18 that is spring-pressed by details, and to illustrate a practical applithe spring 19. The socket 17 is located with 75 cation of the invention I have selected a respect to the axis of the arm so that it will structure containing the invention as an exregister with the indentations 15. This proample of such structures and shall describe vides means for releasably connecting the it hereinafter. The structure selected is arm 13 in adjusted positions relative to the 0 illustrated in the accompanying drawings. plate 10 since the ball 18 will enter the in- 8Q Figure 1 is a side broken View showing dentations 15 and be yieldingly held therein the means for raising the window illustrated by the operation of the spring 19. 'When in thefigure. Fig. 2 is a sectional View it is desired to raise or lower the window taken on the line 2-2 indicated in Fig. 1. the arm 13 is turned in one direction or the Fig. 3 is a sectional view taken on the line other and the arm 5 will raise or permit the E55 3-3 also indicated in Fig. 1. Fig. 4 is a window to be lowered, the spring 7 being side view of a supporting plate. adjustably connected with the arm 6 so that 1, in Fig. 1, is a frame of a part of an the weight of the window will cause it to automobile. In the particular instance se-- descend if the arm 5 is lowered.

40 lected it is the frame of a door of a closed If desired a rectangular bracket 20 may as so which is pivoted in the bracket 8 and may frame and extending transver body of an automobile. 2 is the glass plate be secured to the frame 3 and the roller 1 which may be located in a frame 3 forming connected to the arm 5 mav be inserted in a window frame. As is well known in the the bracket to positively lower as well as art the part marked 3 may be nothing more raise the window. The spring 7 may then than a. U-shaped strip covering the lower be adjusted so as to substantially counterat edge of the window. balance the weight of the window.

A pair of rollers 4 supported on the ends I claim:

of arms 5 and 6 is raised to press its roller in a window litting means, a against the frame 3 by means of the spring '7 arm pivotally supported on sit through, a roller located on one end of the said arm for supporting the sash of the Window and movable over the lower edge of the sash, the said arm having a circular rack integral with and located at the other end thereof, a pinion meshing with the rack for positively raising and/ lowering the sash, a plate secured to the frame and having recesses located therein, a crank handle connected to the pinion and having a spring 10 pressed ball for engaging in the recesses of the plate for securing the Window in any position that it may be raised. w

In testimony whereof, I have hereunto signed my name to this specification. JOHN H. ZOLDOWSKI. 

